C22B 11/028
Using solid sorbents
Official title: {using solid sorbents, e.g. getters or catchment gauzes}
C22B11/028 (Using solid sorbents) appears on 11 US grants and 6 published applications in this corpus.
Search patents in C22B- Granted patents
- 11
- Published applications
- 6
- Assignees
- 11
- Inventors
- 33
- Latest grant
- 9 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for recovering platinum group metals9 Jan 2024US 11,866,802 B2Dowa Metals & Mining Co., Ltd.
- Extraction methods from refractory ores2 Aug 2022US 11,401,578 B2Tcm Research Ltd.
- Method and device for catchment of platinum group metals in a gas stream22 Oct 2013US 8,562,926 B2Yara International Asa
- Method and device for catchment of platinum group metals in a gas stream31 Jan 2012US 8,105,975 B2Yara International Asa
- Recovering catalyst and carrier by exfoliating overcoat layer on the surface of a catalyst layer12 Aug 2008US 7,410,930 B2Matsushita Electric Industrial Co., Ltd.
- Volatile and precious metal recovery system made of stacked silver-comprising elements30 Apr 2026US 2026/0117340 A1Yara International Asa
- Method for recovering platinum group metals9 Feb 2023US 2023/0045764 A1Dowa Metals & Mining Co., Ltd.
- Extraction methods from refractory ores20 Feb 2020US 2020/0056260 A1Tcm Research Ltd.
- Method and device for catchment of platinum group metals in a gas stream29 Mar 2012US 2012/0076710 A1Yara International Asa
- Method and device for catchment of platinum group metals in a gas stream5 Nov 2009US 2009/0274597 A1Yara International Asa
Most cited
By later US patents
- Process for the manufacture of nitric oxide64US 4,774,069 AJohnson Matthey Public Limited Company · 1988
- Method for recovering platinum in a nitric acid plant24US 4,412,859 AEngelhard Corporation · 1983
- Recovery of precious metal21US 4,511,539 AJohnson Matthey Public Limited Company · 1985
- Recovery of precious metals from catalyst residue10US 5,302,183 AShell Oil Company · 1994
- Grid of precious metals for the recovery of platinum metals escaping from a catalyst during the reaction, and especially of platinum during oxidation of ammonia5US 4,239,833 AInstytut Nawozow Sztucznych · 1980